General description These replacement parts are designed for C30B XR500 E30, 800T, 820T, 830T, and 820S Robot Vacuums. Made from high-quality materials, they ensure effective cleaning by reaching into corners and filtering fine dust, pollen, and allergens from the air. The uniquely designed brushes with rubber treads adapt to various floor surfaces, effectively removing both small dust and larger debris. Technical specifications Material: Plastic Measurement allowed error: +/- 1-3 cm Package Contents 2 roller brushes 4 side brushes 4 HEPA filters 4 mop cloths Usage For optimal performance, it is recommended to replace these spare parts every 2 to 3 months as part of regular maintenance. The components can be easily removed and replaced to keep your vacuum running efficiently. Other information